@reality The thing is that the "meat" part just makes things a lot worse. The rate of wasted natural resources is (using a generally accepted approximation) 10 times that of non-meat produce. You see, the animals need to eat too and, as we all know, not everything you put in your mouth stays in your body!
(+ remember the _intense_ use of antibiotics in the meat industry etc. which has its own big-ass list of adverse effects on nature, society and the meat industry itself, uncomparable even with insane uses of fertilizer and antibug-sprays).
So the main problem is the meat industry.